feat(ai): Add models.dev data integration

- Add models script to download latest model information
- Create models.ts module to query model capabilities
- Include models.json in package distribution
- Export utilities to check model features (reasoning, tools)
- Update build process to copy models.json to dist

packages/ai/test/test-models.ts

@@ -0,0 +1,43 @@
+#!/usr/bin/env tsx
+
+import { loadModels, getModelInfo, getProviderModels, getProviderInfo, getAllProviders, supportsThinking, supportsTools } from "../src/models.js";
+
+// Test loading models
+console.log("Loading models data...");
+const data = loadModels();
+const providers = getAllProviders();
+console.log(`Loaded ${providers.length} providers\n`);
+
+// Test getting provider info
+console.log("OpenAI provider info:");
+const openai = getProviderInfo("openai");
+if (openai) {
+    console.log(`  Name: ${openai.name}`);
+    console.log(`  NPM: ${openai.npm}`);
+    console.log(`  Models: ${Object.keys(openai.models).length}`);
+}
+
+// Test getting a specific model
+console.log("\nGetting info for gpt-4o:");
+const gpt4o = getModelInfo("gpt-4o");
+if (gpt4o) {
+    console.log(`  Name: ${gpt4o.name}`);
+    console.log(`  Context: ${gpt4o.limit?.context}`);
+    console.log(`  Max Output: ${gpt4o.limit?.output}`);
+    console.log(`  Reasoning: ${gpt4o.reasoning}`);
+    console.log(`  Tool Call: ${gpt4o.tool_call}`);
+}
+
+// Test getting provider models
+console.log("\nOpenAI models:");
+const openaiModels = getProviderModels("openai");
+console.log(`  Found ${openaiModels.length} OpenAI models`);
+console.log(`  First 5: ${openaiModels.slice(0, 5).map(m => m.id).join(", ")}`);
+
+// Test checking capabilities
+console.log("\nModel capabilities:");
+console.log(`  gpt-4o supports thinking: ${supportsThinking("gpt-4o")}`);
+console.log(`  gpt-4o supports tools: ${supportsTools("gpt-4o")}`);
+console.log(`  o1 supports thinking: ${supportsThinking("o1")}`);
+console.log(`  o1 supports tools: ${supportsTools("o1")}`);
+console.log(`  claude-3-5-sonnet-20241022 supports tools: ${supportsTools("claude-3-5-sonnet-20241022")}`);